This study aims to determine whether organizational behavior influences employee performance at the Banjarmasin Fish Quarantine, Quality Control, and Fishery Product Safety Office. This research employs a quantitative approach, using primary data collected through questionnaires distributed directly to 53 respondents. Secondary data were obtained through direct observation and documentation. Data analysis was conducted using qualitative descriptive techniques. The results indicate that organizational behavior has a significant effect on employee performance at the Banjarmasin Fish Quarantine, Quality Control, and Fishery Product Safety Office. This influence is primarily reflected through discipline and work motivation factors, with an effect value of 693.71%, categorized as having a very strong influence.